/Engine/Source/Runtime/MessagingRpc/Public/MessageRpcServer.h
Processes anFMessageRpcCancelmessage.
void ProcessCancelation ( const [FMessageRpcCancel](API\Runtime\MessagingRpc\FMessageRpcCancel) & Message, const [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [IMessageContext](API\Runtime\Messaging\IMessageContext), ESPMode::ThreadSafe > & Context )